Anker® Astro Pro2 20000mAh Ultra-High Capacity Multi-Voltage (5V 12V 16V 19V) External Battery Backup Charger Power Pack for Tablets, Netbooks, Notebooks, Laptops and Smart Phones — Compatible with HP, Dell, Acer, Asus, Toshiba Notebooks, Google Glass, Nexus Tablets, iPads, iPhone 5S, 5C, 5, 4S (Apple adapters not included), Samsung Galaxy S4, S3, Note 2 and More

  • 20000mAh of capacity, provides 1 full charge to most laptops or approximately 9 cycles to most smartphones.
  • Reliable lithium polymer battery ensures quality. More than 500 recharges over its lifetime.
  • Equipped with two outputs for greater versatility: 1 DC 12V / 4A, 16V / 3.5A or 19V / 3A port and 1 USB 5V / 2.1A port.
  • Slim and stylish aluminum body ensures efficient heat dissipation, lighter weight, and durability. 4 smart LEDs keep you updated as to the remaining capacity.
  • Package contents: 1 Anker® Astro Pro2 20000mAh External Battery, 4 phone connectors, 10 laptop connectors, 1 USB cable, 1 DC power cable, 1 AC 100-240V power adapter, 1 accessories pouch, 1 user manual.

Need to charge more than just your mobile phone? Invest in greater, more versatile power with the Anker Astro Pro2.

A beast of a battery.
When a standard external battery just won’t cut it, reach for the Astro Pro2. Packed with 20000mAh of capacity, this is one portable power pack that’s able to charge most phones 9 times, tablets more than once or a laptop one time.

Hugely versatile.
Choose from between DC 12V / 4A, 16V / 3.5A, 19V / 3A and USB 5V / 2.1A outputs for greater

List Price: $ 0.00


  • Quick charge: charge time of 2.5 hours for iPhones and 2.5-3 hours for most smartphones; 4 hours for Anker Astro and 6 hours for Anker Astro2
  • Charge speed is twice as fast as charging from a PC USB port
  • Small, convenient and lightweight design (25g)
  • High quality, tested with strict quality control standards. Reliably charges your mobile devices
  • Intelligent chip prevents overcharging. Multiple circuit protections – over-current, short-circuit and over-temperature protect you device

About Anker®
Anker focuses on portable energy field, provides rechargeable batteries, chargers and other accessories for consumer electrics. By providing more reliable products and more considerate service, Anker has served over 1 million happy customers around the globe. Now Anker brand is associated with high performance and reliability.

Anker Cubic Charger.
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